CoreELEC Configuration?

hello, when i click on the CoreELEC Configuration addon it won’t open. not sure what happened but how do i reset the system if i can’t open this please advise. at this point i would like to start over. i have a mecool box, i am able to remote into the box using flashfxp.

Thank you

also it’s seems like i can’t fxp into it either or putty… i tried root/coreelec but nothing

Try Some problems